there is secretary chuck hagel, and we expect to hear from him toward towards the end of the ceremony as well, but all of, this of course, it is all going to start with the actual laying of the wreath by president obama at the tomb of the unknowns. colonel jack for folks who are not nfamiliar with the tomb, wht is it? >> the remains of veterans of each of our wars, and none of whom could be identified or in that tomb. the only remains in that tomb that are not -- that are identifiable are those of the war in vietnam where we could identify, but the previous wars, all of those remains are unidentified. i think that on the tomb, my recollection is here lies the remains of an american soldier known but to god or something similar to that. and this holiday used to be decoration day. it started right after the civil war so that we would not forget the sacrifice that people made to keep the union together. >> there is the commander in chief, and president obama making his way now. let's listen into the bit of the memorial day program here. >> present. >> present. >> arms. ♪ [ playing nati